3440443121 has 2 divisors, whose sum is σ = 3440443122. Its totient is φ = 3440443120.

The previous prime is 3440443117. The next prime is 3440443133. The reversal of 3440443121 is 1213440443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3356464225 + 83978896 = 57935^2 + 9164^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440443121 - 2² = 3440443117 is a prime.

It is not a weakly prime, because it can be changed into another prime (3440443021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720221560 + 1720221561.

It is an arithmetic number, because the mean of its divisors is an integer number (1720221561).

Almost surely, 2^3440443121 is an apocalyptic number.

It is an amenable number.

3440443121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440443121 is an equidigital number, since it uses as much as digits as its factorization.

3440443121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 3440443121 is about 58655.2906479884. The cubic root of 3440443121 is about 1509.6332780481.

Adding to 3440443121 its reverse (1213440443), we get a palindrome (4653883564).

The spelling of 3440443121 in words is "three billion, four hundred forty million, four hundred forty-three thousand, one hundred twenty-one".